Which of the Following Is True of Computer-Aiding Machining for Crown

question 18

Multiple Choice

Which of the following is true of computer-aiding machining for crown and bridge techniques?

• A) It is available only for fabrication of porcelain veneers.
• B) No die needs to be poured,and no temporary crown is necessary.
• C) A porous ceramic core is infiltrated with molten glass by capillary action.
• D) Ceramic powder is mixed with a water-based liquid to form a mass that is pressed onto a porous refractory die.

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